What are the common causes of P0C0D?

Overvoltage in the motor A inverter power supply. A short or leak in the inverter supply wiring. A failed drive motor A. The inverter or motor installed or configured wrong. Corroded or damaged inverter supply connectors.

Measure the inverter supply voltage for motor A. Inspect the supply wiring and connectors for damage. Test drive motor A. Verify inverter and motor A installation. Replace the faulty inverter supply component. Clear the code and retest.

P0C0D

Drive Motor A Inverter Power Supply Circuit High

System: Powertrain control (P code)
Lamp: Check Engine Light
Category: Powertrain - Hybrid Propulsion

What it means

P0C0D means Drive Motor A Inverter Power Supply Circuit High.

Check these first

Overvoltage in the motor A inverter power supply
A short or leak in the inverter supply wiring
A failed drive motor A
The inverter or motor installed or configured wrong
Corroded or damaged inverter supply connectors

What to do next

Measure the inverter supply voltage for motor A
Inspect the supply wiring and connectors for damage
Test drive motor A
Verify inverter and motor A installation
Replace the faulty inverter supply component
Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.